23
General Problems
PREVIEW IMAGES OR THUMBNAIL IMAGES DO 
NOT APPEAR
Check Solution
Are there a number of jobs waiting to 
be executed?
■ Wait until several of the jobs have been executed.
THE TOUCH PANEL DISPLAY IS DIFFICULT TO 
VIEW
Check Solution
Is the brightness properly adjusted? ■ Tap the [LCD Control] key ( ) on the home screen to adjust the brightness.
YOU WERE LOGGED OUT WITHOUT LOGGING 
OUT YOURSELF
Check Solution
Did Auto Clear activate? ■ When user authentication is used, the currently logged in user will be 
automatically logged out if Auto Clear activates. Log in again. 
If you are the administrator, change the time setting of Auto Clear or disable Auto 
Clear in [Auto Clear Setting].
⇒ "Settings (administrator)" → [System Settings] → [Common Settings] → 
[Operation Settings] → [Condition Settings] → [Auto Clear Setting]
I DON'T KNOW WHERE THE IP ADDRESS SETTING IS
Check Solution
The IP address is set in the Network 
Settings of Setting mode.
■
To set a permanent IP address, ask your network administrator for the IP address 
assigned to the machine and other information necessary for the Network Settings.
⇒ "Settings (administrator)" → [System Settings] → [Network Settings]  
→ [Protocol Settings]